2,5-Diaminoanisole sulfate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 66671-82-7 |
| Product name | 2,5-Diaminoanisole sulfate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 2,5-Diaminoanisole sulfate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-Diaminoanisole sulfate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,5-Diaminoanisole sulfate
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an intermediate in the synthesis of azo dyes and pigments, particularly for producing red, violet, and other shades | Undergoes diazotization-coupling reactions with other aromatic compounds to form target dye molecules |
| Pharmaceutical Industry | Serves as a synthetic intermediate for constructing active pharmaceutical ingredients (APIs) containing phenyl ring structures | Participates in organic synthesis steps including nucleophilic substitution, reductive amination, and condensation |
| Polymer Materials | Functions as a functional monomer in the synthesis of high-performance polymers (e.g., polyimides, aramid materials) | Introduces amino and ether linkages during high-temperature condensation polymerization or interfacial polymerization to enhance thermal stability and mechanical performance |
Manufacturing Quality Control of 2,5-Diaminoanisole sulfate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration with NaOH | Quantifies the main compound by neutralizing the sulfate salt with standardized sodium hydroxide solution using an indicator or potentiometric endpoint. |
| Moisture Content | Karl Fischer Titration | Determines water content via stoichiometric reaction between water and Karl Fischer reagent (iodine, sulfur dioxide, base, and alcohol). |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content after acid digestion by quantifying absorbance of ground-state atoms in a flame or graphite furnace. |
| Sulfate Content | Gravimetric Analysis | Precipitates sulfate as barium sulfate and determines mass after filtration and drying to calculate sulfate ion concentration. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by weighing residue remaining after high-temperature ignition. |
| Organic Volatile Impurities | Gas Chromatography (GC) with FID | Separates and quantifies residual solvents or volatile organic impurities using capillary column and flame ionization detection. |
| Color (APHA) | Visual Comparison or UV-Vis Spectrophotometry | Compares sample solution color against APHA platinum-cobalt standard solutions or measures absorbance at specified wavelength. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determines hydrogen ion activity in a defined aqueous suspension or solution using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size by measuring angular variation in intensity of laser light scattered by dispersed particles. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid phase transitions to liquid under controlled heating rate. |
| Related Substances | High Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally related impurities using reversed-phase column and UV detection. |
Technical Specifications of 2,5-Diaminoanisole sulfate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 2,5-Diaminoanisole sulfate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 2,5-Diaminoanisole sulfate
Industrial 2,5-Diaminoanisole sulfate Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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